|
AK5730VQ_17 Datasheet, PDF (31/50 Pages) Asahi Kasei Microsystems – 4-Channel Differential Audio ADC for Line & Mic Inputs | |||
|
◁ |
[AK5730]
â ã¨ã©ã¼æ¤åº
以ä¸ã®7ã¤ã®ã¨ã©ã¼ãæ¤åºããINT pin ã«ã¨ã©ã¼ã¹ãã¼ã¿ã¹ãåºåãã¾ããPDN pinã âLâ ã®æãINT pin㯠âHi-zâ
ã«ãªãã¾ãã
1. OPEN: ãªã¼ãã³åè·¯
2. SHTD: ãã¸ãã£ãããã¬ãã£ããã¤ã¯å
¥åéã§ã®ã·ã§ã¼ã
3. SHTG: ã°ã©ã³ãã¸ã®ã·ã§ã¼ã
4. SHTV: VBATã¸ã®ã·ã§ã¼ã
5. OVCR1:å
¥åã«ãããã¤ã¯ãã¤ã¢ã¹éé»æµ (90mA(typ))
6. OVCR2:å
¥åã«ãããã£ã¼ã¸ãã³ãéé»æµ (600mA(typ))
7. OVTP: å
¥åã«ããé温度(165ï°C (typ))
ä¸è¨1ãã7ã®ORãåããINT pinã«ã¨ã©ã¼ã¹ãã¼ã¿ã¹ãåºåãã¾ããä½ããåã¨ã©ã¼ã¯ããããã®ãã¹ã¯ã
ããã§ãã¹ã¯ã§ãããã®ã¨ã©ã¼ã¯INT pinã«åæ ããã¾ãããINT pin ã¯10kΩã®æµæãä»ã㦠DVDD (typ. 3.3V)
以ä¸ã«æ¥ç¶ãã¦ãã ããã
INT pinã®åºåãä¸åº¦ âLâã«ãªãã¨INTR bit ã« â1âãæ¸ãè¾¼ã¾ããã¾ã§ âLâã®ã¾ã¾ã§ãã INTR bit ã®è¨å®ã¯ â1â
ãæ¸ãè¾¼ã¾ããå¾ãèªåçã« â0â ã«æ»ãã¾ãã
ã¢ãã¬ã¹07H-0BHã®OPEN, SHTD, SHTG, SHTV, OVCR, OVTP bit ããã¯ä¸è¨ã¨ã©ã¼ããã®ã¾ã¾èªã¿åºããã¾
ãããããã®ãããã ä¸åº¦ â1âã«ãªãã¨INTR bit ã«â1âãæ¸ãè¾¼ã¾ããã¾ã§ â1âã®ã¾ã¾ã§ãã
ã¢ãã¬ã¹0CH-0FHã®MSHTV*, MSHTG*, MSHTD*, MOPEN* (*: 1-4) bitã« â1â ãæ¸ãããã¨ã¨ã©ã¼ã¹ãã¼ã¿ã¹
ã®SHTV*, SHTG*, SHTD*, OPEN* bit ã¯ãã¹ã¯ããã¾ããããINT pinã®åä½ã«ã¯å½±é¿ãã¾ããã(Table 16)
éé»æµ(OVCR1, OVCR2)ãé温度 (OVTP)ãæ¤åºãããã¨Table 15ã«ç¤ºãããAK5730ã®åãããã¯ã¯ç¡å¹ã«ãª
ãã¾ããéé»æµãé温度ã«ããã¨ã©ã¼ã§ãªãéããINTR bit ã« â1âãæ¸ãè¾¼ããã¨ã§ã¨ã©ã¼ã¹ãã¼ã¿ã¹ã ã
ãã¯ãªã»ããããã¾ããéé»æµãé温度ã«ããã¨ã©ã¼ãæ¤åºãããå ´åã¯ãPDN pin ã¾ãã¯RSTN bit ã§
AK5730ããªã»ãããã¦ãã ããã
INT detection
CPUIF
PLL
CP
MIC Bias
ADC
SAR ERR
A
A
A
A
A
TSD
Overtemp.
A
A
L
A
-
MIC
A
A
L
A
-
overcurrent +
MIC
A
A
-
-
-
overcurrent -
CP
A
A
L
A
-
overcurrent
(A: Active Block, L: Active in Low Power Mode, -: Power Down)
Table 15. ã¨ã©ã¼æ¤åºæã®ãããã¯ã³ã³ãã£ã·ã§ã³
SAR ADC
A
A
A
-
-
MIC Diags
A
A
A
-
-
Unmasked Event Masked Event
INT pin
Not detected
Not detected
DETECTED
Hi-Z
DETECTED
L
(goes âHi-Zâ after writing INTR bit = â1â)
Table 16. ã·ãªã¢ã«ã³ã³ããã¼ã«ã¢ã¼ãæã®ã¨ã©ã¼ã¹ãã¼ã¿ã¹
MS1577-J-03
- 31 -
2015/11
|
▷ |